{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:38.679185", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2019-Apr-28_to_2019-May-01_148.5_-8.5"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2019040002785}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "April 28 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 01 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 70428.73858356784}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Papua New Guinea"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Pacific-Ocean", "S.E.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": ["Solomon Sea"]}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": -8.5}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 148.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "148.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 147.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 151.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -9.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -6.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-04-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.85, -7.75], [147.75, -7.5], [147.97, -6.97], [148.32, -6.82], [148.47, -6.47], [149.0, -6.25], [149.25, -6.35], [149.5, -6.25], [149.75, -6.35], [150.0, -6.25], [150.25, -6.35], [150.5, -6.25], [151.03, -6.47], [151.18, -6.82], [151.53, -6.97], [151.75, -7.5], [151.53, -8.03], [151.18, -8.18], [151.03, -8.53], [150.68, -8.68], [150.65, -8.75], [150.75, -9.0], [150.53, -9.53], [150.0, -9.75], [149.47, -9.53], [149.32, -9.18], [149.25, -9.15], [149.0, -9.25], [148.75, -9.15], [148.5, -9.25], [147.97, -9.03], [147.75, -8.5], [147.85, -8.25], [147.75, -8.0], [147.85, -7.75]]]]}, "2019-04-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[146.97, -8.03], [146.75, -7.5], [146.97, -6.97], [147.5, -6.75], [147.75, -6.85], [148.0, -6.75], [148.25, -6.85], [148.32, -6.82], [148.47, -6.47], [149.0, -6.25], [149.25, -6.35], [149.5, -6.25], [149.75, -6.35], [150.0, -6.25], [150.25, -6.35], [150.5, -6.25], [151.03, -6.47], [151.18, -6.82], [151.53, -6.97], [151.75, -7.5], [151.53, -8.03], [151.18, -8.18], [151.03, -8.53], [150.68, -8.68], [150.65, -8.75], [150.75, -9.0], [150.53, -9.53], [150.0, -9.75], [149.47, -9.53], [149.32, -9.18], [149.25, -9.15], [149.18, -9.18], [149.03, -9.53], [148.5, -9.75], [147.97, -9.53], [147.75, -9.0], [147.85, -8.75], [147.75, -8.5], [147.85, -8.25], [147.82, -8.18], [147.75, -8.15], [147.5, -8.25], [146.97, -8.03]]]]}, "2019-04-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[146.97, -8.03], [146.75, -7.5], [146.97, -6.97], [147.5, -6.75], [147.75, -6.85], [148.0, -6.75], [148.25, -6.85], [148.32, -6.82], [148.47, -6.47], [149.0, -6.25], [149.25, -6.35], [149.5, -6.25], [149.75, -6.35], [150.0, -6.25], [150.25, -6.35], [150.5, -6.25], [151.03, -6.47], [151.18, -6.82], [151.53, -6.97], [151.75, -7.5], [151.53, -8.03], [151.18, -8.18], [151.03, -8.53], [150.68, -8.68], [150.65, -8.75], [150.75, -9.0], [150.53, -9.53], [150.0, -9.75], [149.47, -9.53], [149.32, -9.18], [149.25, -9.15], [149.18, -9.18], [149.03, -9.53], [148.5, -9.75], [147.97, -9.53], [147.75, -9.0], [147.85, -8.75], [147.75, -8.5], [147.85, -8.25], [147.82, -8.18], [147.75, -8.15], [147.5, -8.25], [146.97, -8.03]]]]}, "2019-05-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[146.97, -8.03], [146.75, -7.5], [146.97, -6.97], [147.5, -6.75], [147.75, -6.85], [148.0, -6.75], [148.53, -6.97], [148.75, -7.5], [148.63, -7.8], [149.03, -7.97], [149.25, -8.5], [149.15, -8.75], [149.25, -9.0], [149.03, -9.53], [148.5, -9.75], [147.97, -9.53], [147.75, -9.0], [147.85, -8.75], [147.75, -8.5], [147.88, -8.2], [147.75, -8.15], [147.5, -8.25], [146.97, -8.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.519726762406151}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9874962801407833}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.1032765636528, 27.934356189941752, 27.745950343585946, 27.283457782011055]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.444407005663834, 28.505130353104732, 28.257872233449234, 27.82837173280069]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0852484595887462, 1.0377838630103857, 0.8653336136417881, 0.9120171137699771]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3802424997147682, 1.519726762406151, 1.1934414586100388, 1.201487091610261]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.3362383637009407, 2.2487155607646794, 1.9316320571785865, 2.116593903545043]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.978893472398786, 3.1683797169738557, 2.829835680182062, 2.693913174771779]}}